US4783140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastomeric optical waveguide with core and cladding imparted with elasticity by irradiation of a radioactive ray
Assignee: Sumitomo Electric Industries Ltd
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Filing: 1986-03-28
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Granted: 1988-11-08
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Expires: 2006-03-28
Abstract
Abstract An elastomeric optical waveguide comprising a core and a cladding surrounding the core in which at least the core comprises an elastomer to which elasticity is imparted by irradiation of a radioactive ray, which has low attenuation of light transmission.
Inventors
- 👤 Yoshitaka Osawa
- 👤 Takafumi Uemiya
- 👤 Shin-ichiro Niwa
- 👤 Akira Nishimura
- 👤 Yutaka Shibata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:39
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/28; B; B29; B29C; B29C71/00; B29C71/04; D; D06; D06M; D06M10/00; D06M10/008; G; G02; G02B; G02B6/00; G02B6/02; G02B6/02033; C08J2383/00; C08J2383/04
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
44 words
An elastomeric optical waveguide comprising a core and a cladding surrounding the core in which at least the core comprising an elastomer to which elasticity is imparted by irradiation of a radioactive ray, wherein the elastomer contains no additive for enhancing or imparting elasticity.
Claim 2
Dependent Claim
44 words
An elastomeric optical waveguide comprising a core and a cladding surrounding the core in which at least the core comprising an elastomer to which elasticity is imparted by irradiation of a radioactive ray, wherein the elastomer contains no additive for enhancing or imparting elasticity.
Claim 3
Dependent Claim
26 words
The elastomeric optical waveguide according to claim 1, wherein both of the cladding and the core are imparted with elasticity by irradiation of the radioactive ray.
Claim 4
Dependent Claim
27 words
The elastomeric optical waveguide according to claim 1, wherein the elastomer is liquid or gummy polysiloxane to which elasticity is imparted by irradiation of the radioactive ray.
Claim 5
Dependent Claim
30 words
The elastomeric optical waveguide according to claim 1, wherein the elastomer is liquid or gummy polysiloxane having vinyl groups to which elasticity is imparted by irradiation of the radioactive ray.
Claim 6
Dependent Claim
27 words
The elastomeric optical waveguide according to claim 1, wherein the elastomer is liquid or gummy polydimethylsiloxane to which elasticity is imparted by irradiation of the radioactive ray.
Claim 7
Dependent Claim
32 words
The elastomeric optical waveguide according to claim 1, wherein the core comprises liquid or gummy polysiloxane having phenyl or naphthyl groups to which elasticity is imparted by irradiation of the radioactive ray.
Claim 8
Dependent Claim
30 words
The elastomeric optical waveguide according to claim 1, wherein the cladding comprises liquid or gummy polysiloxane having fluorine-containing groups to which elasticity is imparted by irradiation of the radioactive ray.
References Cited (Backward Citations)
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Cited
US4317616A
Cited
US4431264A
Cited
US4294507A
Cited
US4591608A
Cited
US4708833A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-11-08 | 1992-05-09 | 1992-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-11-08 | 1996-05-09 | 1996-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-11-08 | 2000-05-09 | 2000-11-08 | $7700.00 | Window Closed / Lapsed |